'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

function resolve(dir) {
    return path.join(__dirname, dir)
}

const name = defaultSettings.title // 网址标题
const port = 3711 // 端口配置

const CompressionWebpackPlugin = require('compression-webpack-plugin')
const productionGzipExtensions = ['js', 'css']
console.log(process.env.NODE_ENV)
// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
    // hash 模式下可使用
    // publicPath: process.env.NODE_ENV === 'development' ? '/' : './',
    publicPath: "./",
    outputDir: "dist",
    assetsDir: "static",
    //   lintOnSave: process.env.NODE_ENV === "development",
    lintOnSave: false,
    productionSourceMap: false,
    devServer: {
        port: port,
        open: false,
        overlay: {
            warnings: false,
            errors: true,
        },
        proxy: {
            "/admin": {
                target: process.env.VUE_APP_BASE_API,
                changeOrigin: true,
                logLevel: "debug",
                pathRewrite: {
                    "^/admin": "/api",
                },
            },
            // '/mock': {
            //   target: 'http://10.4.15.67:3000',
            //   logLevel: 'debug',
            //   changeOrigin: true
            // },
            // '/api': {
            //   target: process.env.VUE_APP_BASE_API,
            //   changeOrigin: true
            // }
        },
    },
    configureWebpack: (config) => {
        config.plugins.push(
            new CompressionWebpackPlugin({
                algorithm: "gzip",
                test: new RegExp("\\.(" + productionGzipExtensions.join("|") + ")$"),
                threshold: 10240,
                minRatio: 0.8,
            })
        );
        return {
            name: name,
            resolve: {
                alias: {
                    "@": resolve("src"),
                    "@crud": resolve("src/components/Crud"),
                },
            },
        };
    },
    // configureWebpack: {
    //   // provide the app's title in webpack's name field, so that
    //   // it can be accessed in index.html to inject the correct title.
    //   name: name,
    //   resolve: {
    //     alias: {
    //       '@': resolve('src'),
    //       '@crud': resolve('src/components/Crud')
    //     }
    //   }
    // },
    chainWebpack(config) {
        config.plugins.delete("preload"); // TODO: need test
        config.plugins.delete("prefetch"); // TODO: need test

        // set svg-sprite-loader
        config.module.rule("svg").exclude.add(resolve("src/assets/icons")).end();
        config.module
            .rule("icons")
            .test(/\.svg$/)
            .include.add(resolve("src/assets/icons"))
            .end()
            .use("svg-sprite-loader")
            .loader("svg-sprite-loader")
            .options({
                symbolId: "icon-[name]",
            })
            .end();

        // set preserveWhitespace
        config.module
            .rule("vue")
            .use("vue-loader")
            .loader("vue-loader")
            .tap((options) => {
                options.compilerOptions.preserveWhitespace = true;
                return options;
            })
            .end();

        config
            // https://webpack.js.org/configuration/devtool/#development
            .when(process.env.NODE_ENV === "development", (config) =>
                config.devtool("cheap-source-map")
            );

        config.when(process.env.NODE_ENV !== "development", (config) => {
            config
                .plugin("ScriptExtHtmlWebpackPlugin")
                .after("html")
                .use("script-ext-html-webpack-plugin", [
                    {
                        // `runtime` must same as runtimeChunk name. default is `runtime`
                        inline: /runtime\..*\.js$/,
                    },
                ])
                .end();
            config.optimization.splitChunks({
                chunks: "all",
                cacheGroups: {
                    libs: {
                        name: "chunk-libs",
                        test: /[\\/]node_modules[\\/]/,
                        priority: 10,
                        chunks: "initial", // only package third parties that are initially dependent
                    },
                    elementUI: {
                        name: "chunk-elementUI", // split elementUI into a single package
                        priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                        test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
                    },
                    commons: {
                        name: "chunk-commons",
                        test: resolve("src/components"), // can customize your rules
                        minChunks: 3, //  minimum common number
                        priority: 5,
                        reuseExistingChunk: true,
                    },
                },
            });
            config.optimization.runtimeChunk("single");
        });
    },
    transpileDependencies: ["vue-echarts", "resize-detector"],
};
